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频率标准
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频率标准
Encyclopedia
工学
频率标准
释
frequency standard
频率标准
能独立工作的，且能给出较高准确度的单一频率值的正弦信号的装置。简称频标。
理学
〔原子物理应用〕
释
frequency standards
频率标准
用信号频率相当准确和单一的正弦振荡信号发生器确定频率的计量。
Physics
光学、声学
光学
frequency standard
频标
全称“频率标准”。
＞原子与分子物理学＞冷原子分子物理＞释义
frequency standard
频[率]标[准]
Astronomy
frequency standard
频率标准
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On site operation method
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onsite technical service for concentrators
On socialist commodity economy
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Ontario Workmen’s Compensation Act
On the 16th Night Stepping on the Lamp, Drinking with Qu Zhongyu and Wang Xinfu in the West Building of the Dazhong Bridge
On the Archival Science in contemporary China
On the Art of Building in Ten Books
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